Is it possible to achieve the desired functionality using only PHP, or is Ajax or JavaScript necessary?

To achieve dynamic functionality without refreshing the page, Ajax or JavaScript is typically necessary as they allow for asynchronous communication with the server. PHP alone cannot achieve this level of interactivity without reloading the entire page. 

<?php
// PHP code alone cannot achieve dynamic functionality without page refresh
// For dynamic functionality, consider using Ajax or JavaScript
?>

Keywords

PHP Ajax JavaScript functionality libraries

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